More to explore:
under the sea
under the sea cupcakes
Chocolate Seashell Cupcakes
Beach and seashell cupcake
Starfish cupcakes - great for a kid's under the sea party.
Elmo Cupcakes (link does not lead to a tutorial).
Seashell Beach Wedding Cupcakes
Food art - Penguin cupcakes
These crab cupcakes are SO cute! Perfect for an under the sea party!